McCabe, E., Free, D., Mendis, B., Higgins, J., & Evans, J. (2010). Preparation, Characterization, and Structural Phase Transitions in a New Family of Semiconducting Transition Metal Oxychalcogenides beta-La(2)O(2)MSe(2) (M = Mn, Fe). Chemistry of Materials, 22(22), 6171-6182. https://doi.org/10.1021/cm1023103